Double cartridge writing instrument



FIG. 1 is a side view of a double cartridge writing instrument showingmy new design;

FIG. 2 is a top end view;

FIG. 3 is a writing-tip end view;

FIG. 4 is a side view with the plunger depressed to expose the writingtip;

FIG. 5 is a top end view of an alternate embodiment of FIG. 1 includinga firing pin mark on the plunger end face;

FIG. 6 is a side view of an alternate embodiment of FIG. 1 including analternative top end bevel and body length;

FIG. 7 is a top end view of the embodiment illustrated in FIG. 6including a second alternative firing pin mark;

FIG. 8 is a side view of an alternate embodiment of FIG. 1 including around nose tip;

FIG. 9 is a side view of an alternate embodiment of FIG. 1 including aflat nose tip; and,

FIG. 10 is a writing-tip end view of the embodiment illustrated in FIG.9.

The portion of the top end shown in broken lines in FIGS. 5 and 7 andspelling the words “HEAD STAMP” is for illustrative purposes only andforms no part of the claimed design.

The ornamental design for a double cartridge writing instrument, asshown and described.